_:n7161863490224898b511a6f4d6e033b6xb1
<http://schema.org/image>
<https://static-content.springer.com/image/art%3A10.1186%2Fs12887-021-02645-9/MediaObjects/12887_2021_2645_Fig1_HTML.png>
<https://bmcpediatr.biomedcentral.com/articles/10.1186/s12887-021-02645-9/tables/4>